Abordagem de solução
RawSource supplies the base chemicals that go into these programs. We can help with product selection, grade matching, and sourcing from multiple origins for supply security.
Typical Formulation Workflow
1
System & Substrate Assessment
Define the binder system (waterborne, solventborne, UV, powder), substrate, cure, and the VOC, durability, and appearance targets.
2
Additive & Resin Selection
Match resins, pigments and fillers, dispersants, rheology modifiers, defoamers, or biocides to the formulation and compatibility window.
3
Lab Let-Down & Optimization
Dial in loading and addition order through lab let-downs, checking dispersion, rheology, film properties, and storage stability.
4
Application & Performance Testing
Validate on the real application method and substrate, tracking gloss, adhesion, sag, cure, and weathering before scale-up.
Recommended Chemistries (5)
UV-328 Benzotriazole UV Absorber (Tinuvin 328 Type)
CAS 25973-55-1
Aditivos Especiais
Organic UV absorber for clear coatings
Hydroxyphenyl-benzotriazole UVA absorbs 300-380 nm light and dissipates it as heat, protecting resin and substrate from photolysis
Physical Description: Dry powder, pellets or crystals, or solid Appearance: White to yellow powder or crystals Solubility: In water, log -1.37
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Sodium Benzotriazolyl Butylphenol Sulfonate
CAS 92484-48-5
Tensoativos
Proteção UV
Water-soluble benzotriazole UV absorber for waterborne systems, screening UV before it reaches the binder
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BHT (Butylated Hydroxytoluene), Food Grade
CAS 128-37-0
Aditivos Especiais
Antioxidante para estabilização de resinas
Hindered-phenol antioxidant donates H to chain-carrying peroxy radicals, interrupting thermal/photo-oxidative degradation of the resin
Ponto de fusão:69–71 °C Ponto de ebulição:265 °C at 760 mmHg Densidade:1.048 at 20 °C
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Titanium Dioxide
CAS 13463-67-7
Cargas Minerais e Pigmentos
Primary white pigment for opacity
Rutile (surface-treated) titanium dioxide reflects and absorbs UV, physically shielding the binder beneath; note uncoated/anatase grades are photocatalytic and promote chalking, so only coated rutile grades protect
Ponto de fusão:1860 °C (decomposes) Ponto de ebulição:2500–3000 °C at 760 mmHg Densidade:3.9 to 4.2
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Zinc Oxide
CAS 1314-13-2
Cargas Minerais e Pigmentos
Active pigment — mildew resistance and UV blocking
3077 (ZINC OXIDE, CRUDE) · Class Genuine inorganic UV absorber/screen used in exterior and clear coatings to block UV-A/UV-B, protecting the binder from photo-oxidation and curbing chalking. Micronized/nano ZnO is used specifically in transparent wood coatings and clear topcoats where pigmentary TiO2's opacity is undesirable, so it is a true complement to the listed TiO2 for this exact UV-weathering/degradation use-case, not just
Ponto de fusão:1975 °C Densidade:5.61 Solubility: 0.0004 % at 18 °C
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